Home / 2,013,447.80-3,020,171.70-1,920,135.80

Finding the Fourth Proportional to 2,013,447.80, 3,020,171.70 and 1,920,135.80

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Solution

The fourth proportional to 2,013,447.80, 3,020,171.70 and 1,920,135.80 is: 2,880,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,447.80 : 3,020,171.70 = 1,920,135.80 : x
  2. Step 2: Convert to fraction form
    2,013,447.80/3,020,171.70 = 1,920,135.80/x
  3. Step 3: Cross multiply
    2,013,447.80x = 3,020,171.70 × 1,920,135.80
  4. Step 4: Simplify right side
    2,013,447.80x = 5,799,139,803,316.86
  5. Step 5: Solve for x
    x = 5,799,139,803,316.86/2,013,447.80
  6. Step 6: Final answer
    x = 2,880,203.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.